Public proof of conceptFix available

CVE-2024-53703

Q: Is CVE-2024-53703 actively exploited?

Active exploitation of CVE-2024-53703 has not been confirmed. Its EPSS score was 12.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-53703?

CVE-2024-53703 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2024-12-05
Fixed in10.2.1.14-75sv
WeaknessCWE-121

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.

Timeline

dates in UTC

2024-12-0514:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-53703?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-53703?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Sonicwall sma 200 firmwareversion to verify

Branch	Affected	Fixed in	Source
10.2	< 10.2.1.14-75sv	10.2.1.14-75sv	NVD

Sonicwall sma 210 firmwareversion to verify

Branch	Affected	Fixed in	Source
10.2	< 10.2.1.14-75sv	10.2.1.14-75sv	NVD

Sonicwall sma 400 firmwareversion to verify

Branch	Affected	Fixed in	Source
10.2	< 10.2.1.14-75sv	10.2.1.14-75sv	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Sonicwall sma 200 firmware to 10.2.1.14-75sv

Advisories and patches

psirt.global.sonicwall.comVendor Advisory

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedscrt/cve-2024-53703-poc

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2024-12-06
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.18.12024-12-05
CNAweakness (CWE)CWE-121read 2026-10-23
FIRST EPSSEPSS score12.6 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2024-12-05
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2024-53703?

Is CVE-2024-53703 actively exploited?

Active exploitation of CVE-2024-53703 has not been confirmed. Its EPSS score was 12.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-53703?

CVE-2024-53703 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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